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Nu-Calgon 4190-02 - Humidifier Water Treatment

Designed for humidifiers using up to 25 gallons per day.
Equipped with 1/4 FPT Threads for easy installation and seasonal change-outs.
Can be installed vertically or horizontally.
Inhibits scale for one season.
Not to be used on hot water lines
Clean pad or install new pad before installing Humidi-Pro.
For best results humidifier should have a daily dump of water from the sump to diminish scale forming minerals.
Install a new Humidi-Pro before each heating season.
Operating temperature, min./ max: 40º - 80º F
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